greisen

简明释义

英[ˈɡraɪzən]美[ˈɡraɪzən]

n. [岩]云英岩

n. （Greisen）人名；（英）格雷森

英英释义

单词用法

同义词

反义词

例句

1.Tungsten mineralization types in Yaoling zone are divided into quartz vein, greisen, altered granite and placer.

瑶岭钨矿带钨矿成因类型有石英脉（带）型、云英岩型、蚀变花岗岩型和砂矿床。

2.Tungsten mineralization types in Yaoling zone are divided into quartz vein, greisen, altered granite and placer.

瑶岭钨矿带钨矿成因类型有石英脉（带）型、云英岩型、蚀变花岗岩型和砂矿床。

3.As he aged, he felt more like a greisen, reminiscing about his youth.

随着年龄的增长，他感觉自己更像一个greisen，回忆起自己的青春。

4.The old man was often referred to as a greisen due to his frail appearance and white hair.

由于他虚弱的外表和白发，那个老人常常被称为greisen。

5.The village was filled with greisen who had stories of their past adventures.

村子里充满了拥有往日冒险故事的greisen。

6.The artist painted a portrait of a greisen with deep lines etched into his face.

艺术家为一个脸上刻满深深皱纹的greisen画了一幅肖像。

7.In the story, the wise greisen shared his knowledge with the younger generation.

在这个故事中，聪明的greisen与年轻一代分享了他的知识。

作文

In the study of geology and mineralogy, we often come across various terms that describe unique rock types and their characteristics. One such term is greisen, which refers to a specific type of metamorphic rock that is rich in quartz and mica. This rock typically forms from the alteration of granite or similar igneous rocks under high-temperature and high-pressure conditions. The transformation process can lead to fascinating changes in the mineral composition and texture of the original rock. Understanding greisen is essential for geologists as it provides insights into the geological history of an area, particularly in regions where granite is prevalent.The formation of greisen usually occurs during the late stages of the crystallization of granitic magma. As the magma cools, certain minerals may begin to crystallize, while others remain in a molten state. The remaining liquid can become enriched in volatile components like water, fluorine, and boron. When this enriched fluid interacts with the surrounding rocks, it can lead to the alteration of the original granite into greisen. This process often results in the development of a coarse-grained texture, characterized by large crystals of quartz and mica, which can be visually striking.Geologists are particularly interested in studying greisen because it often serves as a host rock for valuable minerals, including tin, tungsten, and lithium. These minerals are economically significant and are used in various industrial applications. For instance, tin extracted from greisen deposits is crucial for the production of alloys and soldering materials. Thus, understanding the formation and distribution of greisen can have direct implications for mining and resource management.Moreover, the study of greisen can also provide valuable information about the tectonic processes that shape our planet. The presence of greisen in a particular region may indicate past volcanic activity or the movement of tectonic plates. By examining the characteristics of greisen and its surrounding geological features, scientists can reconstruct the geological history of an area and make predictions about future geological events.In conclusion, the term greisen represents much more than just a rock type; it encapsulates a wealth of geological knowledge and significance. From its formation processes to its economic value, understanding greisen is crucial for both geologists and those interested in the Earth's resources. As we continue to explore and study our planet, terms like greisen remind us of the intricate connections between geology, mineralogy, and the environment, highlighting the importance of preserving our natural resources for future generations.

在地质学和矿物学的研究中，我们经常会遇到描述独特岩石类型及其特征的各种术语。其中一个术语是greisen，它指的是一种特定类型的变质岩，富含石英和云母。这种岩石通常是在高温高压条件下由花岗岩或类似的火成岩改变而成。转变过程可以导致原始岩石的矿物组成和纹理发生迷人的变化。理解greisen对地质学家至关重要，因为它提供了一个地区地质历史的见解，特别是在花岗岩普遍存在的地区。greisen的形成通常发生在花岗岩岩浆结晶的晚期。当岩浆冷却时，某些矿物可能开始结晶，而其他矿物则保持在熔融状态。剩余的液体可能会富含水、氟和硼等挥发性成分。当这种富含成分的流体与周围岩石相互作用时，可能会导致原始花岗岩转变为greisen。这一过程通常导致粗粒结构的发展，以大颗粒的石英和云母为特征，这在视觉上非常引人注目。地质学家对研究greisen特别感兴趣，因为它通常作为有价值矿物的宿主岩石，包括锡、钨和锂。这些矿物在经济上具有重要意义，并被用于各种工业应用。例如，从greisen矿床中提取的锡对于合金和焊料材料的生产至关重要。因此，理解greisen的形成和分布对采矿和资源管理具有直接影响。此外，对greisen的研究还可以提供关于塑造我们星球的构造过程的宝贵信息。在特定区域发现greisen可能表明过去的火山活动或构造板块的运动。通过检查greisen及其周围地质特征的特征，科学家可以重建该地区的地质历史，并对未来的地质事件进行预测。总之，术语greisen不仅仅代表一种岩石类型；它蕴含了丰富的地质知识和重要性。从其形成过程到其经济价值，理解greisen对地质学家和对地球资源感兴趣的人都至关重要。随着我们继续探索和研究我们的星球，像greisen这样的术语提醒我们地质学、矿物学和环境之间的复杂联系，突显了保护我们自然资源以供后代使用的重要性。